This is the first potentially tricky bit, depending on what kind of files you're indexing, how much the data in those files is structured, and how much of that structure you want to preserve.
这是第一个可能需要技巧的一步，看你对哪种文件建索引，那些文件中有多少数据是有结构的，有多少结构是你想保留的。
It is indexing 18 million opinionsand reviews across 1, 000 travel-related sites to derive the best travelsearch results based on what type of trip you want to take.
Kango目前已经从超过 1000个 旅游相关的网站索引了超过 1800万 的“评论和意见”，然后从这些评论中分析出满足不同旅游类型和需求的最好结果。
Indexing and searching are not only thread safe, but process safe. What this means is that.
建立索引和搜索不是线程级安全的，但是是进程级安全的。
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